WordReference Random House Learner's Dictionary of American English © 2017
tinc•ture /ˈtɪŋktʃɚ/USA pronunciation   n. 
  1. Drugsa medicine that is a solution of a drug in alcohol: [uncountable]tincture of iodine.[countable]The pharmacist made some tinctures.

WordReference Random House Unabridged Dictionary of American English © 2017
tinc•ture  (tingkchər),USA pronunciation n., v.,  -tured, -tur•ing. 
  1. Drugs[Pharm.]a solution of alcohol or of alcohol and water, containing animal, vegetable, or chemical drugs.
  2. a slight infusion, as of some element or quality:A tincture of education had softened his rude manners.
  3. a trace;
    a smack or smattering;
    tinge:a tincture of irony.
  4. [Heraldry.]any of the colors, metals, or furs used for the fields, charges, etc., of an escutcheon or achievement of arms.
  5. a dye or pigment.

  1. to impart a tint or color to;
  2. to imbue or infuse with something.
  • Latin tīnctūra dyeing. See tinct, -ure
  • Middle English: dye 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::

tincture /ˈtɪŋktʃə/ n
  1. a medicinal extract in a solution of alcohol
  2. a tint, colour, or tinge
  3. a slight flavour, aroma, or trace
  4. any one of the colours or either of the metals used on heraldic arms
  5. obsolete a dye or pigment
  1. (transitive) to give a tint or colour to
Etymology: 14th Century: from Latin tinctūra a dyeing, from tingere to dye

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